Browse categories
Explore
Fiverr Pro
English
$
USD
I will create end to end iot firmware and mobile app system
Embedded Systems, FPGA Development, High Speed MultiLayer PCB Design Expert
Hello.
Experienced Hardware and Embedded Systems Engineer with extensive expertise in high-speed multilayer PCB design for RF, FPGA, and SoC-based platforms.
I specialize in developing reliable, prod...
Buyers keep returning
YiLin Wang has an exceptional number of repeat buyers
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
Highly Responsive
Known for exceptionally quick replies
What people loved about this freelancer
moisesn8
United States
Amazing work! We have diligently worked on this prototype, and have seen it come to life. There has been a lot of detailed work put forth, and the results have...
moisesn8
United States
Amazing work! The mobile application met all expectations and included a deliverable for all the set requirements. The best part is that the mobile application...
moisesn8
United States
The service is great. We are getting very close to completing the minimum viable product, and are excited to cross the finish line. We are now moving forward...
moisesn8
United States
Exceptional! We are maintaining quick responses and delivery for this cutting edge project. Even with difficulties outside of this scope of work, the project...
moisesn8
United States
Great work! We have been steadily making progress on this cutting edge technology. The team has worked diligently on the development and as of right now everything...
About this Gig
Professional Firmware & App Development (End-to-End Solution)
I provide complete firmware and mobile app development tailored for modern embedded systems and IoT products.
With strong experience in both low-level firmware engineering and user-focused application design, I deliver solutions that are not only technically robust but also intuitive and scalable.
What I Can Do
Firmware Development
- Embedded C / C++ firmware development
- MCU platforms (STM32, ESP32, nRF, etc.)
- RTOS / Bare-metal architecture
- Communication protocols:
UART / SPI / I2C
CAN / Modbus
BLE / WiFi
- Sensor integration (temperature, heart rate, etc.)
- Power optimization & real-time performance tuning
Mobile App Development
- Cross-platform apps using Flutter / React Native
- Native development (Swift / Kotlin)
- BLE / WiFi device communication
- Real-time data visualization
- Clean and user-friendly UI/UX design
System Integration
- Firmware App communication design
- Cloud integration (optional)
- OTA (Over-the-Air updates)
- Debugging & performance optimization
Before Ordering
Please contact me first with:
- Your hardware details
- Required features
- Timeline
This helps ensure the best results.
My Portfolio
Other Electronics Engineering Services I Offer
FAQ
What do you need from me before starting the project?
Your hardware details (MCU, sensors, communication method)
Can you handle both firmware and mobile app together?
Yes. I specialize in end-to-end development, including firmware, mobile app, and communication between them (BLE, WiFi, etc.).
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M 
moisesn8
United States
Ongoing collaborationAmazing work! The mobile application met all expectations and included a deliverable for all the set requirements. The best part is that the mobile application was also set with futures that will align it for additional development and accommodate additions. Great work!
$600-$800
Price
7 days
Duration
W 
Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationExceptional! We are maintaining quick responses and delivery for this cutting edge project. Even with difficulties outside of this scope of work, the project timeline has maintained fluid responses and progression. We are very satisfied with the progress and look forward to the next and final phase of the project.
$600-$800
Price
7 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationAmazing work! We have diligently worked on this prototype, and have seen it come to life. There has been a lot of detailed work put forth, and the results have been spectacular. These have been the final pieces to the overall puzzle, and we are excited to take the next steps for the overall objectives. Great work.
$200-$400
Price
4 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationGreat work! We have been steadily making progress on this cutting edge technology. The team has worked diligently on the development and as of right now everything has been coming together seamlessly. We are very content with the accomplishments than have been made.
$600-$800
Price
7 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationThe service is great. We are getting very close to completing the minimum viable product, and are excited to cross the finish line. We are now moving forward with the assembly of the MVP, and all the hard work so far will go a long way to continued development of our technology.
$600-$800
Price
5 days
Duration
W Seller's Response
Helpful?
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M moisesn8
United States
Ongoing collaborationAmazing work! The mobile application met all expectations and included a deliverable for all the set requirements. The best part is that the mobile application was also set with futures that will align it for additional development and accommodate additions. Great work!
$600-$800
Price
7 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationExceptional! We are maintaining quick responses and delivery for this cutting edge project. Even with difficulties outside of this scope of work, the project timeline has maintained fluid responses and progression. We are very satisfied with the progress and look forward to the next and final phase of the project.
$600-$800
Price
7 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationAmazing work! We have diligently worked on this prototype, and have seen it come to life. There has been a lot of detailed work put forth, and the results have been spectacular. These have been the final pieces to the overall puzzle, and we are excited to take the next steps for the overall objectives. Great work.
$200-$400
Price
4 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationGreat work! We have been steadily making progress on this cutting edge technology. The team has worked diligently on the development and as of right now everything has been coming together seamlessly. We are very content with the accomplishments than have been made.
$600-$800
Price
7 days
Duration
W Seller's Response
Helpful?M moisesn8
United States
Ongoing collaborationThe service is great. We are getting very close to completing the minimum viable product, and are excited to cross the finish line. We are now moving forward with the assembly of the MVP, and all the hard work so far will go a long way to continued development of our technology.
$600-$800
Price
5 days
Duration
W Seller's Response
Helpful?
